Function vstd::arithmetic::mul::lemma_mul_strict_inequality

source · 
pub broadcast proof fn lemma_mul_strict_inequality(x: int, y: int, z: int)
Expand description
requires
x < y,
z > 0,
ensures
#[trigger] (x * z) < #[trigger] (y * z),

Proof that since x < y and z > 0, x * z < y * z.